/**
 * Copyright &copy; 2012-2014 <a href="https://github.com/thinkgem/jeesite">JeeSite</a> All rights reserved.
 */
package com.wanxin.wb.common.support.util;

import java.security.SecureRandom;
import java.util.UUID;

import org.springframework.context.annotation.Lazy;
import org.springframework.stereotype.Service;

/**
 * <B>Description:</B> 封装各种生成唯一性ID算法的工具类. <br>
 * <B>Create on:</B> 2016/11/11 10:16 <br>
 *
 * @author xiangyu.ye
 * @version 1.0
 */
@Service
@Lazy(false)
public class IdGenUtils {

	private static SecureRandom random = new SecureRandom();
	
	/**
	 * 封装JDK自带的UUID, 通过Random数字生成, 中间无-分割.
	 */
	public static String uuid() {
		return UUID.randomUUID().toString().replaceAll("-", "");
	}
	
	/**
	 * 使用SecureRandom随机生成Long. 
	 */
	public static long randomLong() {
		return Math.abs(random.nextLong());
	}


	

	public static void main(String[] args) {
		System.out.println(IdGenUtils.uuid());
		System.out.println(IdGenUtils.uuid().length());
	}

}
